Intermittent feed mechanism.



R. J. EMORY;

INTERMITTENT FEEDMECHANISIVL APPLICATION FlLED FEB.25, 1914.

1,245,693. Patented Nov. 6, 191K UNITED sTATEs PATENT oEEroE.

ROBERT J. EMORY, OF NEWARK, NEW JERSEY, ASSIGNOR TO BAIRD MOTION PICTURE 00., A CORPORATION OF NEW JERSEY.

INTERMIT'IENT FEED MECHANISM.

Application filed February 25, 1914. Serial No. 821,019.

To all whom it may concern: H

Be it known that I, ROBERT J. EMORY, a

citizen of the United States, residing in.

vice for displaying moving pictures and the invention consists in providing means for quickly and accurately adjusting the parts of tfhe Geneva stop and the intermittent feed shat.

The invention further consists in providing means whereby the intermittent mechanism may be easily and permanently secured in its adjusted position, and in the various other new and novel features of construction and combinations of parts hereinafter set forth and claimed. I

In the accompanying drawings:' Figure 1 represents a front elevation partly in section of my improved adjustedmechanism and portion of the feeding mechamsm.

Fig. 2 is an end view showing the pin and the star forming part. of the, Geneva movement for intermittently actuating the sprocket. r

Fig. 3 is an end view showing the means for securing the sprocket wheel in adjusted position.

Fig. 4: is an end view partly in section showing the eccentric bushing or adjusting member.

In the particular mechanism illustrated in the accompanying drawings, the sprocket l is mounted upon a shaft 2 and is driven by the star-wheel 3 which is actuated by the pin-wheel 4 in the usual manner. The pinwheel is mounted upon a shaft 5 having a driven gear 6 thereon which meshes with any suitable driving gear 7.

The sprocket shaft adjacent the starwheel is eccentrically mounted in a sleeve or bushing 8 rotatable in suit-able bearings 9 provided in the casing 10. The outer end of the sleeve 8 is enlarged to form a plate 11 disposed between which and the end of the bearing 9 is a gasket 12 to form an oil tight joint about the shaft 2 within the casing 10. The sleeve is provided with a peripheral Specification of Letters Patent.

Patented Nov. 6, 1917- groove 13 which is accurately cut with ta pering sides 14 to engage with the tapered end 15 of anadjusting member or screw 16.;

This tapered end engages the side of ithe groove opposite the end having theplatell. in order to hold the same firmly against the.

gasket. Preferably the shaft is provided w1th spaced bushings 17 forming apocket permitting lubrication through a suitableduct 18 formed in the sleeve. I j a The free end of' the shaft is mounted in: an out-board bearing provided in anal-m 19 supported on an extension" 20 from the frame andv is adj ustably secured in suitable relation thereto, and in engagementwith thebroad bearing afforded by the end of the: extension, by any suitable means as the In order to set the feed sprocket so that the parts of the intermittent movement will register accurately witlr each Queenie arm 1 9 is first released so thatit will freely ad-- just itself to any desired position of the- The centering screw 16 is then re-T shaft. leased and the sleeve 8 isirotated in its socket by any suitable means as a pin 22 until proper adjustment has been made. After being adjusted the sleeve islocked in place bythe centering screw which not only holds it against rotation, but which automatically centers the sleeve so as to bring the collar into tight engagement with the frame and sprocket wheel exactly in line with the normal path of the film. The arm 19 is then secured in the position which it has been caused to assume by the movement of the shaft during adjustment of the sprocket wheel.

By means of this construction the adjustment of the outer bearing is practically automatic since it is swung by movement of the shaft into proper position.

The extenslon 20 permits an outboard bearing which forms a rigid and accurate support for the outer end of the shaft, but does not interfere with the threading of the film or with access to other parts of the mechanism. Preferably this extension is elliptical v the art for example, as providing other means for securing the outer bearing of the sprocket shaft in place, and that various other changes may be made Without depart ing from the invention, provided the means set forth in the following claims be employed.

Having thus described, my invention, what I claim as new and desire to protect by United States Letters Patent is:

1. In a motion picture machine, a shaft,

means for rotating said shaft, a bearing for said shaft comprising an adjustable bushing having a peripheral groove having tapered sides and relatively stationary means adapted to engage one of the sides of said groove to hold the bushing in its adjusted position.

:2. The combination with a shaft, and means for adjusting the position of said shaft, said means including a bushing having an axis of rotation and provided with a bearing for said shaft, said bearing positioned offset from said axis of rotation and adjusting means for shifting said bearing longitudinally of its axis of rotation and into its adjusted position.

3. In a motion picture machine, a shaft, a swinging bearing for one end of said shaft and a rotatable bearing for the other end of said shaft, said rotatable earing comprising a bushing having the shaft mounted eccentrically therein, means for locking said bushing in its adjusted position and means for rotating said shaft.

l. In a motion picture machine, a shaft, of a bearing for one end of said shaft adapted to have a swinging movement and a rotatable bearing for the other end of said shaft comprising a bushing having a peripheral groove having converging sides,

a shifting member provided with a conical head engaging in said groove and means for rotating the shaft.

5. In a kinetoscope, a casing having a bearing, a sleeve mounted in said bearing, a shaft journaled in said sleeve, said shaft designed to constitute the driving shaft of one element. of a Geneva stop, a star wheel constituting said Geneva stop member and having a diameter less than the diameter of the sleeve whereby aid shaft, sleeve and member may be removed as a unit from said bearing and easing.

6. In a kinetoscope, a sha t, a support therefore, a journal for one end movably engaging said support, and a sleeve mounted in said support for rotation about a fixed axis, said sleeve supporting the other end of the shaft eccentrically of said axis and an element of a Geneva stop carried by the eccentrically mounted end of the shaft and a coacting element of the (l'eneva stop mounted in operative relation to said first named element.

7. In a kinetoscope, a bearing, a sleeve rotatably mounted in said bearing, said sleeve having a peripheral groove and a plate at one end, a gasket disposed between the said'plate and bearing, a se g g ing in said groove for moving aid plate into oil tight engagement with said bearing, said sleeve and bearings being provided with means for lubricating the portion of the shaft within said sleeve.

This specification signed and witnessed this lelth day of February, A. D7 191%.

ROBERT J. EMORY.

Signed in the presence of Jorm IV. MEMMOTT, T. DE C. RUTH.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G. 

